Climate almanac
Kostroma
Kostroma Oblast, Russia · 57.77°, 40.93°
What is the weather like in Kostroma in September?
In September, Kostroma is typically 61°F (16°C) during the day and 44°F (7°C) at night. The month brings about 2.3 in (58 mm) of precipitation in total. Snowfall averages about 0.1 in (4 mm) over the month.
- Average high61°F (16°C)
- Average low44°F (7°C)
- Precipitation2.3 in (58 mm)
- Clear or mostly clear days5
- Snowfall0.1 in (4 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)